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Klemenc-Ketis Z, Kersnik J, Ojstersek J.Klemenc-Ketis Z, et al.Croat Med J. 2008 Dec;49(6):799-806. doi: 10.3325/cmj.2008.49.799.Croat Med J. 2008.PMID: 19090605Free PMC article.
Klemenc-Ketis Z, Bulc M, Kersnik J.Klemenc-Ketis Z, et al.Croat Med J. 2011 Apr 15;52(2):205-11. doi: 10.3325/cmj.2011.52.205.Croat Med J. 2011.PMID: 21495204Free PMC article.